1.Bluetooth Specification: V2.0 2.Support mirror connection : You can display the contents on the phone screen to the radio screen, and you need to use the original data cable to connect. 3.Built-in car DVR system 4.Support advanced audio distribution profile 5.Standby time display function 6.Digital high-quality FM stereo radio 7.Preset 18 stations (frequency: 87.5-108 MHz) 8.Support USB/SD/MMC card reader 9.Support audio: MP3/WMA/APE/FLAC/WAV etc. 10.Support folder function 11.Support breakpoints and ID3 Play 12.Support remote control 13.Rotary volume control 14.MP3 randomized, 10 tracks up/down playback 15.Electronic volume control of treble, bass, balance and fader 16.L/R RCA audio output connectors 17.4-channel output power (4 loudspeakers) 18.Support modes: BT/APE/WAV/WMA/MP3/FM 19.Remote control battery (not included): CR2025 3V 20.Power supply: 12V (11 - 16V) machine 21.Language:English/Spanish/French/Portuguese/German/Italian/Russian/Turkish/Arabic/ Hebrew /Polish/Japanese/Chinese/Korean 22.Support steering wheel remote control Specification and size: 1-din Screen size: 7 inches Screen resolution: 800*480 Supported video formats: RM,rmvb,avi,mp4,mkv,3gp Supported audio formats: MP3/WMA/APE/FLAC/WAV, etc. GPS navigation: NO Radio: built-in Microphone: No Built-in maps: NONE Online GPS Navigation: NO Rear View Camera Support: Yes Rear view camera included: optional Steering wheel controller included: optional Car parking support: Yes OBD Support: no Wireless connection: NO Interfaces: AUX, USB, TF Android phone link: USB Phone link IOS: no Languages: English/Spanish/French/Portuguese/German/Italian/Russian/Turkish/Arabic/Hebrew/Polish/Japanese/Chinese Package: 1 x 7 Inch 1 Din Car MP5 Player 2 x Power cords 1 x User Manual 1 x Remote Control (optional) 1 x Rear Camera (optional) Note: Due to logistics reasons, none of our products have batteries.